1. Outer inverses in semigroups belonging to the prescribed Green’s equivalence classes

   • Miroslav Ćirić
   • Jelena Ignjatović
   • Predrag Stanimirović

   RESEARCH ARTICLE 20 September 2023 Pages: 251 - 293

   

2. Semilattices of simple and regular n-ary semigroups

   • Jukkrit Daengsaen
   • Sorasak Leeratanavalee

   Research Article 22 August 2023 Pages: 294 - 314

   

3. Presentations for three remarkable submonoids of the dihedral inverse monoid on a finite set

   • Ilinka Dimitrova
   • Vítor H. Fernandes
   • Teresa M. Quinteiro

   RESEARCH ARTICLE 31 October 2023 Pages: 315 - 338

4. Variational principle for BS-dimension of subsets of finitely generated free semigroup actions

   • Zhumin Ding
   • Xin Liu

   RESEARCH ARTICLE 30 August 2023 Pages: 339 - 359

5. Levi-Civita functional equations on commutative monoids with tractable prime ideals

   • Bruce Ebanks

   RESEARCH ARTICLE 13 September 2023 Pages: 360 - 374

6. Analysis and control of integro-differential Volterra equations with delays

   • Youness El Kadiri
   • Said Hadd
   • Hamid Bounit

   RESEARCH ARTICLE 21 August 2023 Pages: 375 - 401

7. On the atomic structure of torsion-free monoids

   • Felix Gotti
   • Joseph Vulakh

   RESEARCH ARTICLE Open access 03 October 2023 Pages: 402 - 423

   

8. Representations and identities of Baxter monoids with involution

   • Bin Bin Han
   • Wen Ting Zhang
   • Jin Xing Zhao

   RESEARCH ARTICLE 12 October 2023 Pages: 424 - 458

   

9. Equationally defined classes of semigroups

   • Peter M. Higgins
   • Marcel Jackson

   RESEARCH ARTICLE Open access 03 November 2023 Pages: 459 - 477

10. On factorization systems for S-acts

    • Huanyun Li
    • Rongmin Zhu

    Research Article 30 August 2023 Pages: 478 - 490

11. A new generation criterion theorem for \(C_0\)-semigroups implying a generalization of Kaiser–Weis–Batty’s perturbation theorem

    • Hatem Megdiche

    RESEARCH ARTICLE 10 October 2023 Pages: 491 - 524

12. Regular semigroups weakly generated by one element

    • Luís Oliveira

    RESEARCH ARTICLE Open access 11 October 2023 Pages: 525 - 563

    

13. The quantale of order-preserving maps of a completely distributive lattice

    • Hongwei Wu

    RESEARCH ARTICLE 25 September 2023 Pages: 564 - 574

    

14. Book review of “Advances in the theory of varieties of semigroups” by Edmond W. H. Lee

    • Boris M. Vernikov

    BOOK REVIEW 18 August 2023 Pages: 575 - 577

15. Publisher Correction to: Variational principle for BS-dimension of subsets of finitely generated free semigroup actions

    • Zhumin Ding
    • Xin Liu

    Correction 26 September 2023 Pages: 578 - 578

16. Editorial note

    • Mikhail Volkov

    Editorial Note 06 November 2023 Pages: 579 - 579